* feat: implement exchange account state management and UI updates
- Added functionality to invalidate exchange account state cache on exchange config updates, creation, and deletion.
- Introduced new API endpoint to fetch exchange account states.
- Updated frontend components to display exchange account states, including status and balance information.
- Enhanced user experience by refreshing exchange account states after relevant actions.
* feat: enhance trader creation readiness in AITradersPage and BeginnerGuideCards
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Co-authored-by: Dean <afei.wuhao@gmail.com>
